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Finding the Fourth Proportional to 132,292.80, 198,244.80 and 53,269.20

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Solution

The fourth proportional to 132,292.80, 198,244.80 and 53,269.20 is: 79,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,292.80 : 198,244.80 = 53,269.20 : x
  2. Step 2: Convert to fraction form
    132,292.80/198,244.80 = 53,269.20/x
  3. Step 3: Cross multiply
    132,292.80x = 198,244.80 × 53,269.20
  4. Step 4: Simplify right side
    132,292.80x = 10,560,341,900.16
  5. Step 5: Solve for x
    x = 10,560,341,900.16/132,292.80
  6. Step 6: Final answer
    x = 79,825.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.